math1o2 math1o2

29-10-2016
Mathematics

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a contractor purchases 7 dozen pairs of padded work gloves for 103.32. She incorrectly calculates the unit price as $14.74 per pair for the expense report. what is the correct unit price? what is the error?

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Robin27 Robin27

06-11-2016

The correct unit price would be $1.08 per pair of gloves. What the contractor didn't notice was it was 7 dozen pairs of gloves, not just seven pairs. If it had been seven pairs, she would have been correct, but it was actually 84 pairs of gloves. She needed to divide 103.32 by 84 rather than 7.

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